The forecast was last updated around 4:51–6:46 am CDT on Thursday, April 30, 2026 (valid roughly through May 6). Current conditions near Dubuque Regional Airport this morning show overcast skies, temperatures around 43°F, calm winds, and dew points in the low 30s. 

Key themes: Cool spring weather with highs mostly in the 50s early in the period, warming notably by Sunday–Monday into the upper 60s to low 70s. Multiple nights/mornings feature frost potential, which could impact sensitive vegetation, gardens, or agriculture. Precipitation chances remain low overall (mostly 20% or less), with a slight uptick possible early next week. Winds are generally light to moderate from the northwest.

Detailed Day-by-Day Forecast

Today (Thursday, April 30, 2026)

•  High: Near 57°F (mid 50s)

•  Conditions: Partly sunny. Slight chance of showers (20% probability), mainly possible between 9am and 3pm.

•  Winds: Light west winds becoming northwest at 5–10 mph (zone forecasts note up to 10–15 mph at times).

•  Nuances: Any showers should be light and scattered. Skies clearing somewhat through the day supports a pleasant but cool afternoon. 

Tonight (Thursday night into Friday morning)

•  Low: Around 35°F

•  Conditions: Mostly clear, with areas of frost after 3am (or after midnight in zone details).

•  Winds: Northwest 5–10 mph.

•  Implications: Frost could form in low-lying or sheltered areas, potentially affecting early-season plants or crops. Protect sensitive vegetation if needed.

Friday (May 1)

•  High: Near 54°F (mid 50s)

•  Conditions: Areas of frost before 8am, then mostly sunny. Slight chance of showers (20%) after 1pm.

•  Winds: Northwest 5–10 mph.

•  Nuances: Another cool day with frost in the morning transitioning to mostly dry conditions. Any afternoon shower risk is low and isolated.

Friday Night

•  Low: Around 34°F

•  Conditions: Partly cloudy, with areas of frost after 3am.

•  Winds: North around 5 mph, becoming calm.

•  Implications: Continued frost risk overnight; temperatures dip close to or below freezing in spots.

Saturday (May 2)

•  High: Near 59°F (upper 50s)

•  Conditions: Widespread frost mainly before 7am, then sunny (or mostly sunny).

•  Winds: Light northwest winds (around 5–10 mph per zone info).

•  Nuances: Frost remains a concern early, but daytime sunshine should allow gradual warming. Driest and sunniest day so far in the period.

Saturday Night

•  Low: Around 42°F

•  Conditions: Partly cloudy.

•  Implications: Milder overnight with no significant frost expected as temperatures stay above freezing.

Sunday (May 3)

•  High: Near 69°F (upper 60s)

•  Conditions: Partly sunny.

•  Winds: Not specified in detail (expected light).

•  Nuances: Noticeable warmup as high pressure or shifting patterns allow milder air to move in. More comfortable daytime conditions.

Beyond 7 Days (for context – Monday through Wednesday):

•  Monday: Mostly sunny, high near 71°F; low around 45°F with a 30% chance of showers late.

•  Tuesday: Mostly sunny with a 30% chance of showers, high near 66°F; low around 44°F with continued shower chances.

•  Wednesday: Partly sunny, high near 61°F.
These indicate a mild but potentially unsettled pattern early next week with scattered shower risks.